Versatile Compatibility: The quick-change keyless chuck accommodates various accessories with shank sizes ranging from 1/32 inch to 1/8 inch. Verify size measurement and compatibility before purchasing. Universal 3-Jaw Design: This 3-jaw chuck is compatible with Dremel cordless and corded rotary tools, supporting drill bits, sanding drums, polishing wheels, and other light-duty attachments for diverse applications. Robust and Reliable Build: Engineered with a one-piece metal structure, this chuck offers superior durability and safety compared to plastic models. The precision 3-jaw design, reinforced with a built-in spring, ensures consistent stability and extended service life. Enhanced Precision and Performance: The keyless chuck improves precision by securely holding small bits in perfect alignment with the tool’s rotation. It maintains exceptional stability during high-speed operation, optimizing work efficiency. Wide Collet Size Options: The set includes eight brass collets (model 4485) in the following sizes: 0.8 mm, 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm, 2.4 mm, 3.0 mm, and 3.2 mm. Confirm the required size before purchase for optimal performance. Color: As shown Material: Metal Package Contents: 1 x Drill Chuck Collet Set Note: Light reflection and display differences may cause slight color variation between the image and the actual item. Measurement tolerance is ±1–3 mm.